| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 901 | 12.985,87 | 14,41 | 2 |
| 2007 | 33 | 930,06 | 28,18 | 1 |
| 2008 | 86 | 2.197,22 | 25,55 | 2 |
| 2009 | 215 | 4.536,00 | 21,10 | 4 |
| 2010 | 651 | 11.773,95 | 18,09 | 5 |
| 2011 | 639 | 11.896,04 | 18,62 | 4 |
| 2012 | 715 | 15.666,86 | 21,91 | 6 |
| 2013 | 727 | 14.351,92 | 19,74 | 4 |
| 2014 | 812 | 18.677,16 | 23,00 | 5 |
| 2015 | 670 | 15.862,85 | 23,68 | 5 |
| 2016 | 507 | 11.552,86 | 22,79 | 4 |
| 2017 | 812 | 18.472,04 | 22,75 | 5 |
| 2018 | 799 | 18.740,28 | 23,45 | 6 |
| 2019 | 822 | 18.356,13 | 22,33 | 6 |
| 2020 | 788 | 19.090,44 | 24,23 | 6 |
| 2021 | 627 | 16.885,58 | 26,93 | 6 |
| 2022 | 1.278 | 40.337,51 | 31,56 | 7 |
| 2023 | 839 | 28.521,00 | 33,99 | 6 |
| 2024 | 773 | 23.422,09 | 30,30 | 6 |
| totale | 12.694 | 304.255,86 | 23,97 | 90 |